The CARMENES search for exoplanets around M dwarfs - Period search in Hα, Na I D, and Ca II IRT lines

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Volume 623 (March 2019)

A&A, 623 (2019) A24

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Table 3

Measured activity properties of our sample stars.

Name	No.	No.	Median	Median	Median	Corr	Corr	Corr^a	Corr^b	MAD	MAD	MAD
	spec	spec	(I_Hα)	(I_Ca,1)	(I_Na,1)	Hα–	Hα–	Ca–	Na–	Hα	Ca	Na
	Na D	flare	(Å)	(Å)	(Å)	Ca	Na	Ca	Na	(10⁻²)	(10⁻²)	(10⁻²)
GX And	145	1	0.37	0.27	0.45	[−0.026]	[−0.144]	0.55	0.96	0.6	0.1	0.2
BD+61 195	37	3	0.31	0.18	0.40	0.96	0.60	0.99	0.87	3.0	0.7	0.4
BD+21 652	114	0	0.62	0.25	0.45	0.75	0.38	0.91	0.93	0.8	0.3	0.2
BD+52 857	58	0	0.52	0.20	0.43	0.83	[0.29]	0.96	0.85	1.4	0.5	0.3
HD 36395	65	1	0.46	0.21	0.42	0.96	0.37	0.98	0.87	2.9	0.8	0.4
V2689 Ori	35	14	0.16	0.08	0.41	0.91	[0.46]	0.96	0.88	3.0	0.8	0.2
HD 79211	53	0	0.51	0.20	0.43	0.73	[0.01]	0.97	0.78	1.1	0.4	0.2
BD+63 869	26	0	0.48	0.20	0.43	0.93	0.65	0.97	0.86	1.8	0.6	0.3
AN Sex	25	4	0.34	0.20	0.40	0.90	[0.09]	0.95	0.86	1.5	0.4	0.3
Lalande 21185	145	2	0.27	0.27	0.46	[−0.16]	[−0.12]	0.31	0.98	1.1	0.2	0.5
BD+44 2051A	99	1	0.33	0.27	0.46	[−0.09]	[−0.24]	0.83	0.86	1.1	0.3	0.3
BD+11 2576	19	2	0.48	0.25	0.43	0.42	[0.09]	0.87	0.75	1.1	0.2	0.1
HD 119850	107	0	0.45	0.26	0.43	[0.14]	[0.19]	0.86	0.81	1.3	0.2	0.1
HD 147379	71	0	0.60	0.23	0.44	0.89	0.35	0.98	0.45	0.8	0.3	0.1
HD 199305	90	2	0.46	0.23	0.43	0.66	[−0.05]	0.93	0.83	1.0	0.3	0.1
HD 216899	115	3	0.42	0.22	0.42	0.76	[−0.05]	0.91	0.94	1.5	0.3	0.3

Notes. The Pearson correlation coefficients given in square brackets have a corresponding p-value higher than 0.01. ^(a) The correlation between I_Ca,1 (at 8500.35 Å) and I_Ca,2 (at 8544.44 Å). ^(b)The correlation between the indices of the two Na I D lines.

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